Batavia Illinois Climate Data

Monthly Average Climate Data for Batavia Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.8 °F30.6 °F1.99 in.
February17.7 °F34.6 °F1.93 in.
March27.3 °F46.5 °F2.35 in.
April37.8 °F59.5 °F3.79 in.
May48.8 °F70.8 °F4.91 in.
June58.8 °F80.4 °F4.41 in.
July63.3 °F84.1 °F3.79 in.
August61.6 °F82.1 °F3.91 in.
September53.7 °F76.0 °F3.32 in.
October41.6 °F63.0 °F3.49 in.
November30.7 °F48.2 °F2.59 in.
December20.8 °F35.9 °F2.19 in.
Annual39.7 °F59.3 °F38.67 in.

Climate Data for Batavia Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation